| 摘要 |
FIELD: oil pipeline technics. SUBSTANCE: in order to completely cut off damaged section of pipeline in case the shut-off valves are deficient and do not allow to block oil stream, viscous elastic sealing composition is provided containing, wt %:synthetic fatty acid <EMI ID=0.394 HE=6 WI=15 TI=CHI>- or <EMI ID=0.395 HE=6 WI=15 TI=CHI>-fraction, 3,9-7,4; sodium hydroxide, 0.6-0.2; water, 0.6- 2.2; wood sawdust, 2.0-7.0; and diesel fuel, the balance. EFFECT: improved sealing capability. 1 tbla
|
